Bacteria TRIZ Cases

An engineered fusion protein combines mevalonate and Nudix pathway enzymes to facilitate geraniol biosynthesis in host cells.

Sphingopyxis sp. strain CECT 8967 degrades microcystins without generating toxic by-products.

A non-oxidative pentose phosphate pathway in recombinant microorganisms converts sugars to monoethylene glycol, minimizing carbon loss and ATP shortage.

Modifying the EF-hand loop of aequorin extends luminescence duration, resolving rapid decay that limits intracellular calcium analysis.

Fusing CTPs to coagulation factors extends circulatory half-life, reducing dosing frequency and immunogenicity in hemophilia treatment.

A recombinant Escherichia coli strain modifies gene expression to boost alanine production rates.

Engineered Rhodococcus opacus uses self-service lipases to hydrolyze stored oil into free fatty acids, bypassing vegetable oil scarcity.

Deleting stringent response genes in Ralstonia enhances carbon flux toward chemical synthesis while preserving environmental stress adaptation capabilities.

Alcohol acyltransferase synthesizes methacrylic acid esters from methacrylyl-CoA, reducing energy consumption compared to chemical methods.

SepRS mediates phosphoserine incorporation to resolve phosphorylation instability and accuracy trade-offs.

Deleting host protein genes like ydds reduces contamination and simplifies purification of recombinant proteins.

A modified P450 monooxygenase uses alanine substitutions to enhance catalytic activity for aromatic hydrocarbon hydroxylation.

Mutant strain CJR0500 overcomes low yield bottlenecks by resisting alpha-aminobutyric acid and utilizing tryptophan stimulation to boost productivity.

Bacillus hosts utilize extracellular proteases to convert proproteins into mature forms, enabling efficient industrial production.

Injecting biodegradable substrates into coal seams to trigger anaerobic fermentation and generate methane gas.

Genetic amplification of heme biosynthesis genes enables high-yield biliverdin production without nitrogen sources, replacing chemical methods.

Co-expressing target protein with specific tRNA nucleotide sequences increases silk protein production, overcoming translation bottlenecks in E. coli.

A microorganism expressing PQQ-ADH and PQQ-ALDH enzymes catalyzes D-glucaric acid synthesis from saccharides.

Isolated Lactiplantibacillus plantarum KM2 strain delivers proteolytic activity and immunity enhancement without hemolytic risks.

Engineering the E. coli cAMP receptor protein with an alanine substitution at position 35 resolves low yield bottlenecks in L-amino acid manufacturing.

A biomass hydrolysis enzyme composition combines specific fungal proteins to enhance deconstruction capabilities.

Overexpressed rbsK fructokinase redirects carbon flux from sucrose, resolving high production cost and low yield contradictions.

Sulfur oxidizing bacteria convert sulfite in flue gas desulfurization waste to sulfate, enriching gypsum content and reducing industrial disposal complexity.

Replacing traditional antibiotics with nicotine analogs in the culture medium increases MAP growth by 20-80%, reducing detection time from weeks to days.

Genetic modification of host enzymes increases mycosporine-like amino acid yield, simplifying separation and purification for UV protection applications.

Engineered Escherichia coli strain produces succinic acid via targeted gene knockout and overexpression, resolving metabolic bottlenecks.

Novel Lactobacillus casei promoter and pgsA anchor resolve instability of large proteins on bacterial surfaces for vaccine vehicles.

Engineered Klebsiella oxytoca strains overexpress xylose metabolism genes to ferment mixed sugars simultaneously, resolving catabolite repression bottlenecks.

Lactobacillus rhamnosus CMU-pb-7 addresses inadequate hyperlipidemia treatment rates by regulating liver lipid metabolism proteins to lower blood lipids.

Phosphoketolase enzyme drives sedoheptulose-7-phosphate conversion to acetyl phosphate, resolving carbon flux bottlenecks in metabolic pathways.

Weissella confusa WSG1 probiotic restores gut flora balance and eliminates diarrhea-causing pathogens without antibiotic resistance risks.

Mutating the galP gene reduces phosphotransferase system activity, allowing E. coli to consume mixed pentose and hexose sugars simultaneously.

Specific media parameters resolve the contradiction between simple formulation and low productivity, raising yields to 376.55 mg/L.

Non-active cell wall binding domains enable rapid gram-positive bacteria detection without lengthy culture steps.

Escherichia coli transformant converts xylose into itaconate using a heterologous nonphosphorylative pathway, eliminating the need for protein nutrients.

Modified Corynebacterium sp. microorganism produces high concentrations of L-amino acids and riboflavin simultaneously.

Microbial fermentation using recombinant Streptomyces replaces costly chemical synthesis to increase serofendic acid precursor yield.

PShepI and PShepII enzymes from Pseudomonas stutzeri Z7 resolve selectivity limits in conventional Flavobacterium heparinum strains.

Engineered E. coli balances reducing power through an activated Entner-Doudoroff pathway, enabling stable anaerobic L-valine production without plasmid loss.

Inoculating Bacillus amyloliquefaciens JP21 into grains reduces urea and ethyl carbamate levels during fermentation.

A ZZ-apoaequorin fusion protein detects immunoglobulin G via calcium-triggered bioluminescence.

Two-stage drying concentrates gram-positive bacteria in seeding agents for wastewater treatment.

Promoter replacement and gene addition boost meningococcus outer membrane vesicle NadA and NHBA concentrations to enhance immunogenicity.

Detecting PDE11A mutations enables precise diagnosis of micronodular adrenal hyperplasia in young patients.

Plant-expressed spidroin-collagen fusion proteins form stable triple helix fibers for biomedical scaffolds.

Overexpressing yjeH exporter genes in Enterobacteriaceae bacteria increases basic L-amino acid accumulation while managing genetic modification complexity.

A recombinant Escherichia microorganism converts nitrous oxide to nitrogen gas using an enhanced nosZ gene pathway.

Fed-batch feeding of carbon source and weak base maintains optimal pH, resolving continuous acidity drops that inhibit microbial growth.